NEC MultiSync 75F-3 Service Manual page 49

PIN DESCRIPTION
Pin No.
Pin Name
40 42 40 28
1 1 - - D+
2 2 1 - PWM2
3 3 2 - PWM1
4 4 3 - PWM0
5 5 4 8 /RESET/3V3
6 6 5 9 VDD
7 - - - NC
8 7 6 10 GND
9 8 7 11 OSCO
10 9 8 12 OSCI
11 10 9 13 PB5/SDA2
12 11 10 14 PB4/SCL2
13 12 11 - PB3/PAT
14 13 12 - PB2
15 14 13 - PB1/HFI
16 15 14 - PB0/HFO
17 16 15 15 /IRQ
18 17 16 16 PC7/SOGIN
19 18 17 17 PC6
20 19 18 18 PC5
21 20 19 19 PC4
22 21 20 20 PC3/AD3
23 22 21 21 PC2/AD2
24 23 22 22 PC1/AD1
25 24 23 23 PC0/AD0
26 25 24 24 PA0/SDA1
27 26 25 25 PA1/SCL1
28 27 26 26 PA2/PWM8
29 28 27 27 PA3/PWM9
30 29 28 28 PA4/PWM10
31 30 29 1 PA5/PWM11
32 31 30 2 PA6/PWM12
33 32 31 3 PA7/PWM13/
CLAMP
34 33 32 4 PD0/VOUT
35 34 33 5 PD1/HOUT
36 35 34 - PD2/PWM7
37 36 35 - PD3/PWM6
38 - - - NC
39 37 36 - PD4/PWM5
40 38 37 - PD5/PWM4
41 39 38 - PWM3
42 40 39 6 HIN
43 41 40 7 VIN
44 42 - - D-
I/O
O USB D+ signal.
O PWM2 output (10V open-drain).
O PWM1 output (5V open-drain).
I PWM0 output (5V open-drain).
Reset input and +3.3V regulator output for USB tranceiver power supply.
+5V power supply.
O No Connection.
I Ground.
I/O 12MHz oscillator output.
I/O 12MHz oscillator input.
I/O Port B5 or I²C interface data line.
I/O Port B4 or I²C interface clock line.
I/O Port B3 or test pattern output.
I/O Port B2.
I/O Port B1 or half frequency divider input.
I/O Port B0 or half frequency divider output.
I/O Interrupt request input, A low level on this can generate interrupt.
I/O Port C7 or Sync on Green input.
I/O Port C6.
I/O Port C5.
I/O Port C4.
I/O Port C3 or ADC input 3.
I/O Port C2 or ADC input 2.
I/O Port C1 or ADC input 1.
I/O Port C0 or ADC input 0.
I/O Port A0 or DDC interface SDA pin.
I/O Port A1 or DDC interface SCL pin.
I/O Port A2 or PWM8 output.
I/O Port A3 or PWM9 output.
I/O Port A4 or PWM10 output.
I/O Port A5 or PWM11 output.
I/O Port A6 or PWM12 output.
I/O Port A7 or PWM13 output or clamp pulse output.
O Port D0 or Vsync output.
O Port D1 or Hsync output.
O Port D2 or PWM7 output.
O Port D3 or PWM6 output.
O No Connection.
I Port D4 or PWM5 output.
I Port D5 or PWM4 output.
PWM3 output (10V open-drain)
Hsync input.
Vsync input.
USB D- signal
46
Descriptions